Created
January 26, 2022 10:25
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Given a square matrix, calculate the absolute difference between the sums of its diagonals.
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| function diagonalDifference(arr) { | |
| // Write your code here | |
| { | |
| // Initialize sums of diagonals | |
| let d1 = 0, d2 = 0; | |
| const n = arr[0].length; | |
| for (let i = 0; i < n; i++) { | |
| // finding sum of primary diagonal | |
| d1 += arr[i][i]; | |
| // finding sum of secondary diagonal | |
| d2 += arr[i][n - i - 1]; | |
| } | |
| // Absolute difference of the sums | |
| // across the diagonals | |
| return Math.abs(d1 - d2); | |
| } | |
| } |
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